ArticlePlant communications2024
OsNLP3 enhances grain weight and reduces grain chalkiness in rice.
Article in Plant communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Phosphorus starvation-responsive factor OsWRKY74 promotes starch accumulation during rice grain filling under low phosphorus conditions by regulating OsSWEET11.Plant cell reports · 2026Article
- Mitigating rice chalkiness while ensuring grain quality and seed vigor.Plant communications · 2026Article
- A High-Thousand-Seed-Weight Mutant ofInternational journal of molecular sciences · 2026Article
- The Phytochrome-Interacting Factor OsPIL11 Coordinates Grain Weight and Grain Number Via Directly Regulating the Expression of OsMIR530 and OsCKX2 in Rice.Rice (New York, N.Y.) · 2025Article
- Nuclear factor-Y transcription factors in crops: Biological roles, regulation, and breeding applications.Plant communications · 2025Review
- Identification of quantitative trait loci for yield traits and fine-mapping ofFrontiers in plant science · 2025Article
- Optimizing nitrogen use efficiency in forest plantations: mechanistic insights fromForestry research · 2025Review
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Authors and funding
15 authors.
Funding
Abstract
Grain weight, a key determinant of yield in rice (Oryza sativa L.), is governed primarily by genetic factors, whereas grain chalkiness, a detriment to grain quality, is intertwined with environmental factors such as mineral nutrients. Nitrogen (N) is recognized for its effect on grain chalkiness, but the underlying molecular mechanisms remain to be clarified. This study revealed the pivotal role of rice NODULE INCEPTION-LIKE PROTEIN 3 (OsNLP3) in simultaneously regulating grain weight and grain chalkiness. Our investigation showed that loss of OsNLP3 leads to a reduction in both grain weight and dimension, in contrast to the enhancement observed with OsNLP3 overexpression. OsNLP3 directly suppresses the expression of OsCEP6.1 and OsNF-YA8, which were identified as negative regulators associated with grain weight. Consequently, two novel regulatory modules, OsNLP3-OsCEP6.1 and OsNLP3-OsNF-YA8, were identified as key players in grain weight regulation. Notably, the OsNLP3-OsNF-YA8 module not only increases grain weight but also mitigates grain chalkiness in response to N. This research clarifies the molecular mechanisms that orchestrate grain weight through the OsNLP3-OsCEP6.1 and OsNLP3-OsNF-YA8 modules, highlighting the pivotal role of the OsNLP3-OsNF-YA8 module in alleviating grain chalkiness. These findings reveal potential targets for simultaneous enhancement of rice yield and quality.
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